Solina String Ensemble MkII issue tracking. A lot of work on top of the usual recapping because of the Bass Circuit board being populated with a blend of MkII and MkIII resistor values. A total mess and I guess the bass section stopped working in 1993 when the net voltage was raised from 220 to 230V. The #Solina #Strings have an unregulated PSU so the main point is to get voltages to spec or certain transistors will fail.